1 ; This testcase causes an infinite loop in the instruction combiner, 2 ; because it changes a pattern and the original pattern is almost 3 ; identical to the newly-generated pattern. 4 ; RUN: opt < %s -instcombine -disable-output 5 6 ;PR PR9216 7 8 target triple = "x86_64-unknown-linux-gnu" 9 10 define <4 x float> @m_387(i8* noalias nocapture %A, i8* nocapture %B, <4 x i1> %C) nounwind { 11 entry: 12 %movcsext20 = sext <4 x i1> %C to <4 x i32> 13 %tmp2389 = xor <4 x i32> %movcsext20, <i32 -1, i32 -1, i32 -1, i32 -1> 14 %movcand25 = and <4 x i32> %tmp2389, <i32 undef, i32 undef, i32 undef, i32 -1> 15 %movcor26 = or <4 x i32> %movcand25, zeroinitializer 16 %L2 = bitcast <4 x i32> %movcor26 to <4 x float> 17 %L3 = shufflevector <4 x float> zeroinitializer, <4 x float> %L2, <4 x i32> <i32 0, i32 1, i32 2, i32 7> 18 ret <4 x float> %L3 19 } 20
